Here's what rhymes with oxidative.
dative native imitative iterative vegetative dissipative connotative annotative creative cooperative authoritative innovative qualitative educative meditative radiative evaporative nonnative cogitative collaborative appreciative associative regulative denotative copulative emulative legislative quantitative evaluative integrative deliberative dissociative procreative stimulative interpretative investigative manipulative rehabilitative accumulative unappreciative administrative nonadministrative Words that almost rhyme with oxidative
cages sages rages phages wadis wadges mutatis engages bellyaches macrophages disengages greengages reengages abrasive plaintive pervasive evasive invasive persuasive dissuasive unpersuasive nonabrasive noninvasive